---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-23896 6.8.0-90-generic #91-Ubuntu SMP PREEMPT_DYNAMIC Tue Nov 18 14:14:30 UTC 2025 x86_64 x86_64 x86_64 GNU/Linux ---> lscpu: Architecture: x86_64 CPU op-mode(s): 32-bit, 64-bit Address sizes: 40 bits physical, 48 bits virtual Byte Order: Little Endian CPU(s): 2 On-line CPU(s) list: 0,1 Vendor ID: AuthenticAMD Model name: AMD EPYC-Rome Processor CPU family: 23 Model: 49 Thread(s) per core: 1 Core(s) per socket: 1 Socket(s): 2 Stepping: 0 BogoMIPS: 5599.94 Flags: fpu vme de pse tsc msr pae mce cx8 apic sep mtrr pge mca cmov pat pse36 clflush mmx fxsr sse sse2 syscall nx mmxext fxsr_opt pdpe1gb rdtscp lm rep_good nopl cpuid extd_apicid tsc_known_freq pni pclmulqdq ssse3 fma cx16 sse4_1 sse4_2 x2apic movbe popcnt tsc_deadline_timer aes xsave avx f16c rdrand hypervisor lahf_lm cmp_legacy svm cr8_legacy abm sse4a misalignsse 3dnowprefetch osvw topoext perfctr_core ssbd ibrs ibpb stibp vmmcall fsgsbase tsc_adjust bmi1 avx2 smep bmi2 rdseed adx smap clflushopt clwb sha_ni xsaveopt xsavec xgetbv1 clzero xsaveerptr wbnoinvd arat npt nrip_save umip rdpid arch_capabilities Virtualization: AMD-V Hypervisor vendor: KVM Virtualization type: full L1d cache: 64 KiB (2 instances) L1i cache: 64 KiB (2 instances) L2 cache: 1 MiB (2 instances) L3 cache: 32 MiB (2 instances) NUMA node(s): 1 NUMA node0 CPU(s): 0,1 Vulnerability Gather data sampling: Not affected Vulnerability Itlb multihit: Not affected Vulnerability L1tf: Not affected Vulnerability Mds: Not affected Vulnerability Meltdown: Not affected Vulnerability Mmio stale data: Not affected Vulnerability Reg file data sampling: Not affected Vulnerability Retbleed: Mitigation; untrained return thunk; SMT disabled Vulnerability Spec rstack overflow: Vulnerable: Safe RET, no microcode Vulnerability Spec store bypass: Mitigation; Speculative Store Bypass disabled via prctl Vulnerability Spectre v1: Mitigation; usercopy/swapgs barriers and __user pointer sanitization Vulnerability Spectre v2: Mitigation; Retpolines; IBPB conditional; STIBP disabled; RSB filling; PBRSB-eIBRS Not affected; BHI Not affected Vulnerability Srbds: Not affected Vulnerability Tsx async abort: Not affected Vulnerability Vmscape: Not affected ---> nproc: 2 ---> df -h: Filesystem Size Used Avail Use% Mounted on tmpfs 795M 1.1M 794M 1% /run /dev/vda1 38G 8.0G 30G 22% / tmpfs 3.9G 0 3.9G 0% /dev/shm tmpfs 5.0M 0 5.0M 0% /run/lock /dev/vda16 881M 117M 703M 15% /boot /dev/vda15 105M 6.2M 99M 6% /boot/efi tmpfs 795M 16K 795M 1% /run/user/1001 ---> free -m: total used free shared buff/cache available Mem: 7941 786 5003 4 2453 7155 Swap: 1023 0 1023 ---> ip addr: 1: lo: mtu 65536 qdisc noqueue state UNKNOWN group default qlen 1000 link/loopback 00:00:00:00:00:00 brd 00:00:00:00:00:00 inet 127.0.0.1/8 scope host lo valid_lft forever preferred_lft forever inet6 ::1/128 scope host noprefixroute valid_lft forever preferred_lft forever 2: ens3: mtu 1458 qdisc mq state UP group default qlen 1000 link/ether fa:16:3e:4b:88:93 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.30/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 83076sec preferred_lft 83076sec inet6 fe80::f816:3eff:fe4b:8893/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-23896) 06/06/26 _x86_64_ (2 CPU) 00:00:20 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 00:10:09 1.84 0.02 1.81 0.01 0.83 21.43 0.23 00:20:01 1.87 0.11 1.73 0.03 3.09 23.94 528.78 00:30:19 2.00 0.00 1.99 0.02 0.00 22.17 210.40 00:40:21 23.51 2.97 18.29 2.25 224.65 3418.25 827.68 00:50:01 1.82 0.00 1.81 0.02 0.00 64.49 1.15 01:00:22 1.86 0.00 1.82 0.03 0.00 101.57 1.85 Average: 5.50 0.52 4.59 0.39 38.21 610.78 262.02 00:00:20 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 00:10:09 6110592 7511696 296908 3.65 55016 1542164 549216 5.98 477924 1313868 244 00:20:01 6124948 7488084 320460 3.94 55148 1504016 547644 5.96 476748 1275504 348 00:30:19 6130216 7493892 314440 3.87 55308 1504376 602788 6.57 482120 1276024 172 00:40:21 5110548 7395192 361128 4.44 105968 2330192 646436 7.04 605704 2107376 1080 00:50:01 5090288 7386408 369964 4.55 106072 2341632 669608 7.29 612352 2118912 316 01:00:22 5060472 7382776 373496 4.59 106172 2367684 665052 7.24 615856 2145052 1568 Average: 5604511 7443008 339399 4.17 80614 1931677 613457 6.68 545117 1706123 621 00:00:20 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 00:10:09 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 00:10:09 ens3 0.30 0.08 0.09 0.04 0.00 0.00 0.00 0.00 00:20:01 lo 1.06 1.06 0.06 0.06 0.00 0.00 0.00 0.00 00:20:01 ens3 0.25 0.08 0.07 0.04 0.00 0.00 0.00 0.00 00:30:19 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 00:30:19 ens3 0.52 0.12 0.16 0.09 0.00 0.00 0.00 0.00 00:40:21 lo 1.29 1.29 0.08 0.08 0.00 0.00 0.00 0.00 00:40:21 ens3 60.12 41.77 315.96 11.90 0.00 0.00 0.00 0.00 00:50:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 00:50:01 ens3 39.59 33.64 8.01 4.23 0.00 0.00 0.00 0.00 01:00:22 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:00:22 ens3 45.89 44.71 10.07 6.23 0.00 0.00 0.00 0.00 Average: lo 1.06 1.06 0.05 0.05 0.00 0.00 0.00 0.00 Average: ens3 24.52 20.16 55.92 3.77 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-23896) 06/06/26 _x86_64_ (2 CPU) 00:00:20 CPU %user %nice %system %iowait %steal %idle 00:10:09 all 0.25 0.00 0.10 0.01 0.02 99.62 00:10:09 0 0.15 0.00 0.09 0.01 0.03 99.73 00:10:09 1 0.34 0.00 0.11 0.01 0.02 99.52 00:20:01 all 0.68 0.00 0.24 0.01 0.02 99.05 00:20:01 0 0.57 0.00 0.25 0.01 0.03 99.14 00:20:01 1 0.79 0.00 0.22 0.01 0.02 98.96 00:30:19 all 0.28 0.00 0.17 0.01 0.02 99.51 00:30:19 0 0.43 0.00 0.17 0.01 0.02 99.38 00:30:19 1 0.14 0.00 0.18 0.01 0.03 99.64 00:40:21 all 12.11 0.00 1.73 0.58 0.05 85.53 00:40:21 0 12.41 0.00 1.77 0.58 0.05 85.19 00:40:21 1 11.81 0.00 1.69 0.58 0.05 85.88 00:50:01 all 6.31 0.00 0.48 0.01 0.07 93.13 00:50:01 0 6.29 0.00 0.44 0.02 0.07 93.19 00:50:01 1 6.33 0.00 0.52 0.01 0.07 93.08 01:00:22 all 8.23 0.00 0.61 0.01 0.07 91.08 01:00:22 0 6.96 0.00 0.55 0.01 0.07 92.41 01:00:22 1 9.50 0.00 0.67 0.01 0.07 89.74 Average: all 4.65 0.00 0.56 0.11 0.04 94.64 Average: 0 4.48 0.00 0.55 0.11 0.04 94.83 Average: 1 4.83 0.00 0.57 0.10 0.04 94.45